JP6576868B2 - Refractory member and construction method of refractory member - Google Patents

Description

  The present invention relates to a fireproof member and a construction method for the fireproof member.

  Conventionally, a structural part in which a resin tube is inserted through an opening formed through a partition part of a building or the like has been subjected to a fireproofing treatment for suppressing the spread of fire through the structural part in the event of a fire. The As a fireproofing process in the structure part, for example, as disclosed in Patent Document 1, a method of disposing a thermal expansion body between a partition part and a resin tube is known. According to this fireproofing treatment, in the event of a fire, the gap formed by the melting or burning of the resin pipe body is filled with a thermal expansion body expanded by the heat of the fire and closed, thereby spreading the fire through the structure. Can be suppressed.

JP2013-158382A

  In the fireproofing process of patent document 1, the thermal expansion body is arrange | positioned between a partition part and the resin pipe bodies by filling the thermal expansion body prepared in the putty form or the paste form. However, the filling operation of the thermal expansion body is complicated.

  This invention is made | formed in view of such a situation, and provides the construction method of the fireproof member which can arrange | position a thermal expansion body easily between a division part and a resin pipe body, and the fireproof member. It is in.

  The fire-resistant member for achieving the above object is used in a structure part in which a resin tube is inserted through an opening formed through a partition part, and suppresses the spread of fire through the structure part in the event of a fire. A heat-resistant member that includes a thermal expansion body and a holding body that holds the thermal expansion body, and is capable of being deformed into a shape along the inner peripheral shape of the opening or the outer peripheral shape of the resin tubular body. And a shape maintaining part that is made of a plastically deformable metal material and maintains the shape of the thermal expansion part when the thermal expansion part is deformed.

  According to the above configuration, the thermal expansion body is positioned between the partition portion and the resin tube body by disposing the fireproof member in a predetermined shape between the partition portion and the resin tube body. Therefore, the work of filling the thermal expansion body prepared in a putty shape or a paste shape is unnecessary. Furthermore, since the refractory member includes a shape maintaining portion made of a plastically deformable metal material, the shape is maintained after the refractory member is deformed into a predetermined shape when the refractory member is constructed. Therefore, the operation | work which fixes the edge parts of a fireproof member performed continuously, the operation | work which arrange | positions a fireproof member in the opening part of a partition part, etc. can be performed easily.

In the above refractory member, it is preferable that the shape maintaining portion is made of a metal plate and is disposed closer to the resin tubular body than the thermal expansion portion.
In this case, when the thermal expansion body expands, the shape maintaining portion formed of the metal plate is pressed toward the resin pipe body by the expansion pressure of the thermal expansion body to crush the resin pipe body. As a result, the opening of the partition can be more effectively closed.

  The fireproof member includes a covering portion that covers the thermal expansion portion and the shape maintaining portion, and the covering portion includes a side on which the thermal expansion portion is disposed and a side on which the shape maintaining portion is disposed. It is preferable that a mark for discriminating between is provided.

In this case, when constructing the refractory member, it is easy to dispose the side where the shape maintaining portion of the refractory member is located facing the resin tube.
In the refractory member, it is preferable that a plurality of through holes are provided in the metal plate constituting the shape maintaining portion.

  In this case, when the thermal expansion body expands, a part of the thermal expansion body passes through the through hole of the shape maintaining portion and expands inward, so that the thermal expansion body and the shape maintaining portion are intertwined. It becomes a state. As a result, the thermal expansion body that expands and closes the opening portion easily stays at a position that closes the opening portion, and the problem that the closing performance is lowered due to the displacement of the expanded thermal expansion body is less likely to occur.

  The construction method of the refractory member for achieving the above-mentioned object is that of the refractory member to which the refractory member is attached to the structure part in which the resin tube is inserted into the opening formed through the partition part. In the construction method, the fireproof member is deformed into a shape along the inner peripheral shape of the opening or the outer peripheral shape of the resin tubular body, and between the partition portion and the resin tubular body. The joint material is disposed in the gap between the partition portion and the resin tubular body on the side of at least one end of the opening of the partition portion, and is filled with a caulking material. It is characterized by.

  The construction method of the refractory member for achieving the above-mentioned object is that of the refractory member to which the refractory member is attached to the structure part in which the resin tube is inserted into the opening formed through the partition part. In the construction method, the fireproof member is deformed into a shape along the inner peripheral shape of the opening or the outer peripheral shape of the resin tubular body, and between the partition portion and the resin tubular body. The adhesive sheet material is arranged so as to cover the gap between the partition portion and the resin tubular body on at least one end side of the opening of the partition portion. And

  According to the fireproof member and the construction method of the fireproof member of the present invention, the thermal expansion body can be easily disposed between the partition portion and the resin pipe body.

(A) is a perspective view of a fireproof member, (b) is sectional drawing of a fireproof member. (A)-(c) is explanatory drawing of the construction method of a fireproof member. FIG. 3 is a sectional view taken along line 3-3 in FIG. 2. The perspective view of the fireproof member which attached the locking tool. (A)-(c) is explanatory drawing of the construction method of a fireproof member. (A), (b) is explanatory drawing of the example of a change in the construction method of a refractory member, (c) is a schematic perspective view of an adhesive sheet material. Explanatory drawing of the test method of fire resistance.

Hereinafter, an embodiment of the present invention will be described.
As shown in FIGS. 1 (a) and 1 (b), the refractory member 10 includes a holding body 11 in a continuous form in which unit bag 11a is continuously formed in one direction (length direction), and a holding body. The thermal expansion part 13 which consists of the thermal expansion body 12 enclosed in the 11 unit bag 11a is provided.

  The holding body 11 is a member formed by overlapping a pair of flexible resin films and appropriately bonding the film materials so that the unit bag 11a is provided. As a resin film which comprises the support body 11, a polyethylene film and a polyethylene terephthalate film can be used, for example.

  The thermal expansion body 12 is not specifically limited, The thermal expansion body generally used as refractory materials, such as a building, can be used. For example, it is preferable to use a mixture of expanded graphite and boric acid from the viewpoint that the volume after thermal expansion can be sufficiently obtained. In this case, the expansion ratio of the expanded graphite is preferably 100 times or more, and more preferably 200 times or more. The expansion ratio of expanded graphite is determined from the volume change when 1 g of expanded graphite is heated at 900 to 1000 ° C. for 5 minutes. In addition, although the upper limit of the expansion ratio of expanded graphite is not specifically limited, For example, it will be less than 1000 times.

  The shape of the thermal expansion body 12 is not particularly limited, and may be any of powder, putty, paste, gel, and liquid, for example. In addition, it is preferable that the thermal expansion body 12 is a powder form from a viewpoint that it becomes difficult to become resistance at the time of deforming the thermal expansion part 13 at the time of construction of the refractory member 10.

  The refractory member 10 includes a shape maintaining portion 14 that is disposed on one side of the thermal expansion portion 13 and is made of a plastically deformable metal material. For example, iron, steel, or stainless steel can be used as the metal material constituting the shape maintaining unit 14. In the present embodiment, as the shape maintaining unit 14, a steel metal plate is disposed so as to overlap one side of the thermal expansion unit 13.

  The shape maintaining part 14 includes a plurality of through holes 14a penetrating in the thickness direction. In the shape maintaining part 14, the through hole 14 a is provided at a position that overlaps a part of the thermal expansion part 13 where the thermal expansion body 12 is held (a part of the unit bag 11 a in the holding body 11).

  Further, the refractory member 10 includes a covering portion 15 that covers and fixes the thermal expansion portion 13 and the shape maintaining portion 14 together. The covering portion 15 is formed by sticking an adhesive tape such as a cloth tape provided with an adhesive layer on one side of the base material layer to the thermal expansion portion 13 and the shape maintaining portion 14. In FIGS. 1A and 1B, gaps are provided between the thermal expansion portion 13 and the shape maintaining portion 14 and the covering portion 15, but in actuality, the covering portion 15 is not thermally expanded. Bonded to the portion 13 and the shape maintaining portion 14.

  In the present embodiment, the covering portion 15 is formed by wrapping the adhesive tape around the thermal expansion portion 13 and the shape maintaining portion 14 such that both ends in the width direction of the belt-like adhesive tape are overlapped on the shape maintaining portion 14 side. ing. In this case, a double stitch 15a formed by overlapping the end portions of the covering portion 15 is provided on the side surface of the fireproof member 10 on the side where the shape maintaining portion 14 is located. Therefore, even in the state where the covering portion 15 is formed, it is possible to determine the side surface on the side where the shape maintaining portion 14 is located by using the overlapping stitch 15a as a mark.

Next, the construction method of the refractory member 10 will be described.
Referring to FIGS. 2 and 3, a structure portion in which a resin tubular body 21 is inserted in a left-right direction (lateral direction) through an opening 20 a formed through a partition portion 20 that divides a space left and right. An example of a method for constructing the refractory member 10 will be described. As the partition part 20, the partition wall made from concrete in a building is mentioned, for example. Moreover, as the resin-made pipe body 21, the pipe body made from hard polyvinyl chloride is mentioned, for example.

  First, the refractory member 10 having a flat plate shape as a basic state is wound around the outer periphery of the resin tube body 21 while being bent (deformed) in an annular shape along the outer periphery shape of the resin tube body 21 (FIG. 2A). reference). At this time, the fire-resistant member 10 is bent with the side where the overlap 15a of the covering portion 15 is located inside, and the side surface of the fire-resistant member 10 on which the shape maintaining portion 14 is located is opposed to the resin tubular body 21 (FIG. 3).

  Next, the ends of the refractory members 10 wound around the resin tubular body 21 are overlapped with each other using an adhesive means 22 such as an adhesive tape. And the refractory member 10 is moved in the opening part 20a of the division part 20, and is arrange | positioned in the clearance gap between the division part 20 and the resin pipe bodies 21 (refer FIG.2 (b) and FIG. 3). In addition, the refractory member 10 may be tightly wound around the outer peripheral surface of the resin tubular body 21, or within a range that can be positioned in the opening 20 a of the partition section 20. You may wind loosely so that a predetermined | prescribed clearance gap may be formed between outer peripheral surfaces.

  Thereafter, the joint material 23 is packed on both sides in the axial direction across the refractory member 10 in the gap between the partition portion 20 and the resin tubular body 21 (see FIGS. 2B and 3). And the construction of the refractory member 10 is completed by filling the caulking material 24 into the opening 20a from above the joint material 23 (see FIG. 2 (c) and FIG. 3).

  In addition, the joint material 23 is not specifically limited, What is generally used for construction can be used suitably. In this embodiment, a joint material made of prismatic foamed rubber is used. As the foam rubber, for example, ethylene / propylene / diene rubber or nitrile rubber can be used. Further, the caulking material 24 is not particularly limited, and those generally used for construction can be appropriately used.

  Next, referring to FIG. 4 and FIG. 5, in a structure part in which a resin tubular body 21 is inserted in an up and down direction through an opening 20 a formed through a partition part 20 that partitions a space up and down. An example of a method for constructing the refractory member 10 will be described.

  In this case, as shown in FIG. 4, the locking tool 16 is attached to the fireproof member 10 prior to the construction of the fireproof member 10. The locking tool 16 is a member constituted by a rectangular frame-shaped holding portion 16a and a locking portion 16b that extends upward from the holding portion 16a and has a tip portion bent to the side (rear). . The locking tool 16 is attached to the fireproof member 10 by inserting the fireproof member 10 into the holding portion 16a with the distal end of the locking portion 16b facing the side where the thermal expansion portion 13 of the fireproof member 10 is located. . In the present embodiment, a plurality (three) of fasteners 16 are attached to the refractory member 10 at equal intervals.

  As shown in FIG. 5, in the construction of the refractory member 10, first, the refractory member 10 that is flat as a basic state is bent (deformed) in an annular shape along the inner peripheral shape of the opening 20 a of the partition portion 20. Wrapping around the inner periphery of the opening 20a (see FIG. 5A). At this time, the fireproof member 10 is bent with the side where the overlap 15a of the covering portion 15 is located inside, and the side surface of the fireproof member 10 on the side where the shape maintaining portion 14 is located is opposed to the resin tubular body 21.

  Next, the ends of the refractory members 10 wound around the opening 20a of the partition portion 20 are overlapped, and the ends of the refractory members 10 are fixed using an adhesive means such as an adhesive tape. And the fire-resistant member 10 is arrange | positioned in the opening part 20a by latching the latching | locking part 16b of the latching tool 16 attached to the fire-resistant member 10 to the upper edge of the opening part 20a (refer FIG.5 (b)). ). Thereafter, the joint material 23 is packed in the upper portion of the refractory member 10 in the gap between the partition portion 20 and the resin pipe body 21 (see FIG. 5B). And the construction of the refractory member 10 is completed by filling the opening 20a with the caulking material 24 from above the joint material 23 (see FIG. 5C).

  As described above, in the structure portion (fireproof structure) where the refractory member 10 is constructed, the thermal expansion body 12 held in the thermal expansion portion 13 of the refractory member 10 expands by being heated by the heat generated during the fire. Thus, the whole or part of the opening 20a of the partition part 20 is closed. Further, in the refractory member 10, the shape maintaining portion 14 (made of a metal plate) disposed on the resin tubular body 21 side is pressed toward the resin tubular body 21 by the expansion pressure of the thermal expansion body 12. The opening 20a is closed by crushing the resin tubular body 21. As a result of the opening 20a of the partition 20 being blocked, flame, soot, gas, etc. hardly flow in the opening 20a, and the temperature rise on the opposite side of the partition 20 is suppressed, and the opening 20a. Through, the fire is suppressed from spreading from one side of the partition 20 to the opposite side.

Next, the operation of the refractory member 10 will be described.
By arranging the refractory member 10 in a predetermined shape between the partition portion 20 and the resin tube body 21, the thermal expansion body 12 can be easily disposed between the partition portion 20 and the resin tube body 21. Can be located. And since the refractory member 10 is provided with the shape maintenance part 14 which consists of a metal material which can be plastically deformed, after making it bend into a predetermined shape, the bent shape is maintained. Therefore, the operation | work which fixes the edge parts of the refractory member 10 performed subsequently, and the operation | work which arrange | positions the refractory member 10 in the opening part 20a of the division part 20 can be performed easily. Further, when the joint material 23 is filled or when the caulking material 24 is filled, the refractory member 10 disposed in the opening 20a is prevented from being displaced.

Next, the effect of this embodiment will be described.
(1) The refractory member 10 is used in a structure part in which a resin tube 21 is inserted into an opening 20a formed through the partition part 20, and suppresses the spread of fire through the structure part in the event of a fire. The refractory member 10 includes a thermal expansion body 12 and a holding body 11 that holds the thermal expansion body 12, and can be deformed into a shape that follows the inner peripheral shape of the opening 20 a or the outer peripheral shape of the resin tubular body 21. Part 13 is provided. The refractory member 10 is made of a plastically deformable metal material and includes a shape maintaining portion 14 that maintains the shape of the thermal expansion portion 13 when the thermal expansion portion 13 is deformed.

  According to the above configuration, the fireproof member 10 is deformed into a predetermined shape, and is disposed between the partition portion 20 and the resin tube body 21, so that the fireproof member 10 is disposed between the partition portion 20 and the resin tube body 21. Since the thermal expansion body 12 can be positioned, an operation of filling the thermal expansion body prepared in a putty shape or a paste shape is unnecessary. In addition, after the refractory member 10 is bent into a predetermined shape, the bent shape is maintained. Therefore, the work of disposing the thermal expansion body 12 between the partition portion 20 (the inner periphery of the opening 20a) and the resin tube 21 can be easily performed.

(2) The shape maintaining unit 14 is made of a metal plate, and is disposed closer to the resin tubular body 21 than the thermal expansion unit 13.
According to the above configuration, when the thermal expansion body 12 expands, the shape maintaining portion 14 made of a metal plate is pressed toward the resin pipe body 21 by the expansion pressure of the thermal expansion body 12, and the resin pipe Crush the body 21. As a result, the opening 20a of the partition 20 can be more effectively closed.

  (3) The refractory member 10 includes a covering portion 15 that covers the thermal expansion portion 13 and the shape maintaining portion 14, and the covering portion 15 has a mark indicating the side on which the shape maintaining portion 14 is disposed (multiple eye 15a). Is provided.

According to the said structure, when constructing the fireproof member 10, it becomes easy to arrange | position the side surface by the side of the side where the shape maintenance part 14 in the fireproof member 10 is located facing the resin-made pipe body 21. FIG.
(4) The metal plate constituting the shape maintaining unit 14 is provided with a plurality of through holes 14a.

  According to the above configuration, when the thermal expansion body 12 expands, a part of the thermal expansion body 12 passes through the through hole 14a of the shape maintaining portion 14 and expands inward, so that the thermal expansion body 12 and the shape are expanded. It will be in the state where the maintenance part 14 was intertwined. As a result, the thermal expansion body 12 that expands and closes the opening 20a is likely to stay at a position that closes the opening 20a, and the expansion of the thermal expansion body 12 causes a problem that the closing performance is reduced. It becomes difficult to happen.

(5) As the holding body 11 constituting the thermal expansion section 13, a continuous-packed holding body in which the unit bag 11a is continuously formed in one direction is adopted.
According to the said structure, it is easy to bend the holding body 11 in the partition part between unit wrapping bags 11a. Therefore, at the time of construction of the refractory member 10, it becomes easy to deform the refractory member 10 into a shape along the inner peripheral shape of the opening 20a or the outer peripheral shape of the resin tubular body 21.

In addition, this embodiment can also be changed and embodied as follows.
-As long as it has the intensity | strength which can maintain the state which deform | transformed the thermal expansion part 13 regarding the shape maintenance part 14, the specific structure will not be specifically limited. Further, the through hole 14a may be omitted. For example, a wire mesh can be used as the other shape maintaining part 14 having the through hole 14a. As the shape maintaining part 14 in which the through hole 14a is omitted, a metal plate without a through hole 14a or a wire can be used.

  -With respect to the holding body 11, if it can be deformed into a shape along the inner peripheral shape of the opening 20 a or the outer peripheral shape of the resin tubular body 21 while holding the thermal expansion body 12, its specific configuration is It is not particularly limited. For example, a holding body having only one bag-like portion may be used in place of the continuous-packed holding body.

  -The mark which shows the side surface by which the shape maintenance part 14 is located is not limited to the double stitch 15a formed by the end part of the coating | coated part 15 being piled up. For example, a character, a mark, or the like as a mark may be provided on the side surface on which the shape maintaining unit 14 is located. Moreover, it may replace with the mark which shows the side surface by which the shape maintenance part 14 is located, or in addition to the said mark, you may provide the mark which shows the side surface by which the thermal expansion part 13 is located. Further, instead of the configuration in which such a mark is provided, the side surface on which the shape maintaining portion 14 is located can be determined by using a transparent or translucent covering portion 15 or by providing an exposed portion where the shape maintaining portion 14 is exposed. It may be a simple configuration.

  -You may comprise the coating | coated part 15 by materials other than an adhesive tape. For example, you may comprise the coating | coated part 15 by coat | covering the thermal expansion part 13 and the shape maintenance part 14 using a heat shrinkable film (shrink film).

  In the above embodiment, the thermal expansion unit 13 and the shape maintaining unit 14 are covered with the covering unit 15 to fix the thermal expansion unit 13 and the shape maintaining unit 14. However, the thermal expansion unit 13 and the shape maintaining unit 14 are fixed. 14 is not limited to this. For example, you may fix the thermal expansion part 13 and the shape maintenance part 14 directly using an adhesive agent.

  -In the construction method of the refractory member 10, the direction of the refractory member 10 may be changed. That is, you may arrange | position the side surface by the side where the shape maintenance part 14 in the refractory member 10 is located facing the inner peripheral surface of the opening part 20a.

  -The construction method of the refractory member 10 shown to FIG.4 and FIG.5 of the said embodiment can also be performed without using the joint material 23 and the caulking material 24. FIG. First, the refractory member 10 is disposed in the opening 20a as in the above embodiment. Thereafter, as shown in FIG. 6A and FIG. 6B, the gap between the partition 20 and the resin tubular body 21 is covered at the upper portion (upper end side) of the opening 20a of the partition 20. By arranging the adhesive sheet material 25 in this manner, the construction of the fireproof member 10 (fireproof structure) is completed. Specifically, the adhesive sheet material 25 is adhered to the partition portion 20 and the resin tube body 21 in a state of being bent so as to straddle between the partition portion 20 and the resin tube body 21. In addition, outer layers, such as a soundproof layer and a fireproof layer, can also be provided in the outer periphery of the resin pipe body 21. In this case, the adhesive sheet material 25 may be adhered to the surface of the outer layer.

  As shown in FIG.6 (c), the adhesive sheet material 25 has the laminated structure of the adhesive base material 25a and the coating | coated material 25b whose adhesiveness is lower than the adhesive base material 25a. The surface of the adhesive sheet material 25 on the adhesive base material 25 a side is configured as an adhesive surface that adheres to the partition portion 20 and the resin tubular body 21. The covering material 25b can improve workability at the time of attaching the adhesive sheet material 25, for example, by suppressing stickiness of the surface opposite to the adhesive surface of the adhesive sheet material 25. As the adhesive substrate 25a, for example, an adhesive polymer sheet such as a butyl rubber sheet is suitable. Examples of the covering material 25b include a nonwoven fabric, a woven fabric, paper, and a resin film. The covering material 25b preferably has one or a plurality of slits S, and the slits S intersect with the winding direction L arranged along the circumferential direction of the resin tubular body 21 in the adhesive sheet material 25. It is more preferable that the shape extends. In this case, the adhesive sheet material 25 can be easily deformed along the gap between the partition portion 20 and the resin pipe body 21, and workability can be further improved. In the adhesive sheet material 25, the covering material 25b may be omitted. In this modification, a plurality of adhesive sheet members 25 (three adhesive sheet members 25) are used, but the number of the adhesive sheet members 25 is not particularly limited. For example, by using one adhesive sheet material in which the dimension of the adhesive sheet material 25 is set longer in accordance with the outer peripheral dimension of the resin tube body 21, the gap between the partition portion 20 and the resin tube body 21 is reduced. It can also be covered. The adhesive sheet material can be partially overlapped and arranged.

  -By using the adhesive sheet material 25 of the modified example shown in FIG. 6 for the method of constructing the refractory member 10 shown in FIG. 2 and FIG. 3 of the above embodiment, the joint material 23 and caulking shown in FIG. 2 and FIG. The material 24 can also be omitted.

  -You may use together the adhesive sheet material 25 of the modification shown in FIG. 6, and at least one of the joint material 23 and the caulking material 24 of the said embodiment.

Next, the above embodiment will be specifically described with reference to test examples.
(Test Example 1)
As shown in FIG. 7, a concrete test floor slab is provided as a partition 20 at the opening of a container 31 having fire resistance and heat insulation, and a resin tube 21 is formed at the opening formed in the partition 20. Was inserted. The structure portion was subjected to a fireproofing treatment T using the same fireproof member 10 as in FIG. As the resin pipe body 21, a resin pipe body made of vinyl chloride resin was used. Moreover, each structure of the refractory member 10 is as follows.

Holder: Polyethylene continuous film (30 mm × 420 mm × t3)
Thermal expansion body: Mixture of expanded graphite and boric acid (30 g, mass mixing ratio 1: 1)
Shape maintaining part: Steel plate with through hole (40 mm x 495 mm x t0.5), through hole (30 mm x 30 mm, 14 pieces)
Covering part: Cloth tape Joint material: Foam rubber (ethylene, propylene, diene rubber)
Caulking material: Silicone caulking material (Test Example 2)
When constructing the refractory member 10, it is the same as Test Example 1 except that the side surface of the refractory member 10 on the side where the thermal expansion portion 13 is located is opposed to the resin tubular body 21.

(Test Example 3)
The shape maintaining part 14 is the same as that of Test Example 1 except that a steel plate not provided with the through hole 14a is used.

(Test Example 4)
It is the same as that of Test Example 1 except that the shape maintaining unit 14 is omitted.
(Fire resistance test)
A fire resistance test was performed on the fireproof structure of each test example. In this test, the inside of the container 31 was heated using the burner 32. And the thermal power of the burner 32 was adjusted so that the temperature of the temperature measurement location 33 may change along the standard heating curve prescribed | regulated to ISO834 with the starting temperature of 20 degreeC, and the fire resistance test was complete | finished 60 minutes later. After the test was completed, a picture of the flow path was taken from above the resin tube 21. Using the photograph, the area of the portion closed with respect to the original opening area of the resin tubular body 21 was calculated as a percentage, and this was used as the blocking rate. The results are shown in Table 1.

As shown in Table 1, when Test Examples 1 to 3 provided with a shape maintaining part were used, the blocking rate was higher than when Test Example 4 not provided with a shape maintaining part was used. Moreover, from the results of Test Example 1 and Test Example 2, the effect of improving the blocking rate by providing the shape maintaining part is when the side surface on the side where the shape maintaining part is located is disposed facing the resin tubular body 21. , You can see that it is even higher. Moreover, it turns out that the improvement effect of the obstruction | occlusion rate by providing a shape maintenance part is further heightened from the result of Test Example 1 and Test Example 3 when the shape maintenance part which has a through-hole is used.

  DESCRIPTION OF SYMBOLS 10 ... Fireproof member, 11 ... Holding body, 12 ... Thermal expansion body, 13 ... Thermal expansion part, 14 ... Shape maintenance part, 14a ... Through-hole, 15 ... Cover part, 16 ... Locking tool, 20 ... Partition part, 20a DESCRIPTION OF SYMBOLS Opening part, 21 ... Resin pipe body, 23 ... Joint material, 24 ... Caulking material, 25 ... Adhesive sheet material.

Claims (6)

A fireproof member that is used in a structure part in which a resin tube is inserted through an opening formed through a partition part, and suppresses the spread of fire through the structure part in the event of a fire,
A thermal expansion part that includes a thermal expansion body and a holding body that holds the thermal expansion body, and is capable of being deformed into an inner peripheral shape of the opening or an outer peripheral shape of the resin tubular body;
A fire-resistant member comprising a metal material that is plastically deformable, and comprising a shape maintaining portion that maintains a shape of the thermal expansion portion when the thermal expansion portion is deformed.   2. The fireproof member according to claim 1, wherein the shape maintaining portion is made of a metal plate and is disposed closer to the resin tubular body than the thermal expansion portion. A covering portion that covers the thermal expansion portion and the shape maintaining portion;
The mark for distinguishing the side by which the said thermal expansion part is arrange | positioned in the said coating | coated part and the side by which the said shape maintenance part is arrange | positioned is provided. Refractory material.   The fireproof member according to claim 2 or 3, wherein the metal plate constituting the shape maintaining portion is provided with a plurality of through holes. With the construction method of the fireproof member which attaches the fireproof member as described in any one of Claims 1-4 with respect to the structure part by which the resin-made pipe bodies are penetrated by the opening part formed by penetrating a partition part. There,
The fireproof member is disposed in a gap between the partition portion and the resin tubular body as a state deformed into an inner peripheral shape of the opening or a shape along the outer peripheral shape of the resin tubular body,
A fire-resistant member characterized in that a joint material is disposed in a gap between the partition portion and the resin pipe body and is filled with a caulking material on at least one end side of the opening of the partition portion. Construction method. With the construction method of the fireproof member which attaches the fireproof member as described in any one of Claims 1-4 with respect to the structure part by which the resin-made pipe bodies are penetrated by the opening part formed by penetrating a partition part. There,
The fireproof member is disposed in a gap between the partition portion and the resin tubular body as a state deformed into an inner peripheral shape of the opening or a shape along the outer peripheral shape of the resin tubular body,
Construction of a refractory member characterized in that an adhesive sheet material is disposed so as to cover a gap between the partition portion and the resin tubular body on at least one end side of the opening of the partition portion. Method.